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  • The last forests on Antarctica: Reconstructing flora and . . .
    Since the first appearance of angiosperms on Antarctica in the Cretaceous more than 100 million years ago (Ma), Antarctic vegetation has undergone a significant secular change from a diverse fern-conifer dominated ecosystem, to a podocarp-southern beech temperate rainforest during the Late Cretaceous, to a low diversity tundra flora dominated by angiosperms in the Neogene (Dettmann and Thomson
  • Megafauna - Wikipedia
    During the Late Pleistocene, particularly from around 50,000 years ago onwards, most large mammal species became extinct, including 80% of all mammals greater than 1,000 kilograms (2,200 lb), while small animals were largely unaffected This pronouncedly size-biased extinction is otherwise unprecedented in the geological record
  • Land animals - British Antarctic Survey
    Although these groups are represented by small numbers of species, population densities are often high Cryptopygus antarcticus, Springtail False colour, scanning electron-micrograph, of the Antarctic springtail Cryptopygus antarcticus Cryptopygus is one of the most successful terrestrial arthropods to have colonised the Antarctic continent
  • bio: hw 17, evolution and diversity of animals - Quizlet
    Study with Quizlet and memorize flashcards containing terms like select all the species that are considered "recent Homo", what amniote group is now included among the reptiles, The primate lineage contains three main groups and more
  • Antarctica’s Largest Land Creature - EarthDate
    Insects tend to be the dominant life form on most continents, but only one native insect species lives year-round in Antarctica, the tiny Antarctic midge Belgica antarctica was first discovered and documented by a naturalist aboard the S Y Belgica during the Belgian Antarctic Expedition of 1897–1899
  • World Geography- Antartica Flashcards - Quizlet
    Study with Quizlet and memorize flashcards containing terms like Difference between Antarctica and Arctic?, True Or False: Antartica Is The Largest Desert, Average precipitation and more
  • Species Extinctions - Science and the Endangered Species Act . . .
    Any attempt to reduce human-caused species extinction (i e , to protect endangered species) requires an understanding of extinction rates over geological time Fossil records from nearly any geological age reveal two types of extinction: extinction without replacement ("dead-end") and what might be called "chronologic extinction" or ''taxonomic extinction " The first type is genuine extinction





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